Ah, I see what the issue is. I'm guessing you're on a version of Blue Prism pre 6.7'ish? There was a change to the encryption scheme within Blue Prism that impacts encrypted Password values. There's a data item in the Web API service called AccessToken. It's initial value is an empty string, but sine it's encrypted with the newer scheme older versions of Blue Prism can't decrypt it. I've just uploaded a "fixed" release that uses the older scheme to encrypt that initial value.
Cheers,
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Eric Wilson
Director, Integrations and Enablement
Blue Prism Digital Exchange
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